text: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
  // vim:set ts=2 sts=2 sw=2 et cin:
  /* This Source Code Form is subject to the terms of the Mozilla Public
   * License, v. 2.0. If a copy of the MPL was not distributed with this
   * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  
  #ifndef nsIOSurface_h__
  #define nsIOSurface_h__
  #ifdef XP_MACOSX
  
  #import <OpenGL/OpenGL.h>
  
  class gfxASurface;
  struct _CGLContextObject;
  
  typedef _CGLContextObject* CGLContextObj;
  typedef uint32_t IOSurfaceID;
  
  class THEBES_API nsIOSurface {
      NS_INLINE_DECL_REFCOUNTING(nsIOSurface)
  public:
    static already_AddRefed<nsIOSurface> CreateIOSurface(int aWidth, int aHeight);
    static void ReleaseIOSurface(nsIOSurface *aIOSurface);
    static already_AddRefed<nsIOSurface> LookupSurface(IOSurfaceID aSurfaceID);
  
    nsIOSurface(const void *aIOSurfacePtr) : mIOSurfacePtr(aIOSurfacePtr) {}
    ~nsIOSurface();
    IOSurfaceID GetIOSurfaceID();
    void *GetBaseAddress();
    size_t GetWidth();
    size_t GetHeight();
    size_t GetBytesPerRow();
    void Lock();
    void Unlock();
    // We would like to forward declare NSOpenGLContext, but it is an @interface
    // and this file is also used from c++, so we use a void *.
    CGLError CGLTexImageIOSurface2D(void *ctxt,
                                    GLenum internalFormat, GLenum format,
                                    GLenum type, GLuint plane);
    already_AddRefed<gfxASurface> GetAsSurface();
  private:
    friend class nsCARenderer;
    const void* mIOSurfacePtr;
  };
  
  #endif
  #endif
  